(19)

(11)

EP 1 793 921 A1

(12)

(43) Date of publication: 13.06.2007 Bulletin 2007/24 (21) Application number: 05758004.5 (22) Date of filing: 13.07.2005

(51) International Patent Classification (IPC):  B01J 19/12(2006.01) B01D 49/00(2006.01) B01D 53/92(2006.01) F24F 3/16(2006.01) (86) International application number: PCT/DK2005/000490 (87) International publication number: WO 2006/005348 (19.01.2006 Gazette 2006/03)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 13.07.2004 DK 200401104 (71) Applicant: Arka Holding ApS 3060 Espergrde (DK)	(72) Inventors: KOCH, Troels DK-2300 Kobenhaven S (DK) BOHR, Henrik DK-2840 Holte (DK) (74) Representative: Inspicos A/S  Bøge Allé 5 P.O. Box 45 2970 Hørsholm 2970 Hørsholm (DK)